Display messages
Possible causes/consequences and
0050
0050Solutions 0039
Key Not Detected Key Not Detected
(whit
edisplay mes-
sage) You are in th
evehicl eand th ekeycurrentl ycanno tbed etecte dby
th ev ehicle.
X Change th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbedetected:
X Inser tthe keyintot he ignition loc kand tur nittot hedesired
position (Y page 119). 0039
Obtain
aNew Key
Obtain aNew Key The SmartKey needs to be replaced.
X Visit aqualified specialist workshop. 0039
Key Doe
sNot
Key Doe sNot
Belong to Vehicle Belong to Vehicle You hav
eput th ewrong SmartKey in th eignition lock.
X Use th ecorrect SmartKey. 0039
Close Doors to Close Doors to
Loc
kV ehicle
Loc kV ehicle At leas
tone doo riso pen.Aw arnin gtonea lso sounds.
X Clos eall doors and loc kthe vehicl eagain. 0039
Remove Remove
'Start'
'Start' But‐
But‐
ton and Insert Key
ton and Insert Key The KEYLESS-GO start function is temporarily malfunctionin
goris
defective. Awarnin gtonea lso sounds.
X Inser tthe keyintot he ignition loc kand tur nittot hedesired
position (Y page 119). 0039
Take Take
Your
YourKey
Keyfrom
from
Ignition
Ignition The SmartKey is in th
eignition lock.
X Remove th eSmartKey. Transmission
Display messages
Possible causes/consequences and
0050
0050Solutions Apply Brake
Apply Brake
to Shift fro
m'P'
to Shift fro m'P' You hav
eattempte dtom ovet he transmissio nselector lever to
position D,Ror Nwithout depressin gthe brak epedal.
X Depress th ebrak epedal. Apply Brake Apply Brake
and Start Engine and Start Engine
to Disengage 'P' to Disengage 'P' Whe
nthe engin eisswitched off, it is no tpossibl etoshift out of
park position P.
X Depress th ebrak epedal and start th eengine. Start Engine
Start Engine
to Engage Gear to Engage Gear The gear canno
tbeengage dwhen th eengineiss witched off.
X Depress th ebrak epedal and start th eengine. 186
Display
messagesOn-boardcomputer an ddisplays
Display messages
Possible causes/consequences and
0050
0050Solutions Depres
sBrake
Depres sBrake
to Start Engine
to Start Engine You canno
tstart th eengine. The engin ewas switched of finposi-
tion Dor R.
X Depress th ebrak epedal and start th eengine. Doo
rO pen
Doo rO pen
Not in 'P'
Not in 'P' The driver's doo
risopen and th etransmissio nisinpositionR,Nor
D.
Aw arnin gtonea lso sounds.
X Shift th etransmissio ntoPwith th ebutto nint hecenter console.
X Press th eelectric parkin gbrak ehandle. Servic
eRequired
Servic eRequired
Do
Do Not
Not Shift
Shift Gears
Gears
Visit Dealer
Visit Dealer You canno
tchang eg ear due to amalfunction.
Aw arnin gtonea lso sounds.
If transmissio nposition Dis selected:
X Do no tswitch of fthe engine.
X Drive to aqualified specialist workshop without shiftin gthe
transmissio nfromp osition D.
If transmissio nposition R,Nor Pis selected:
X Mak esuret hatthe electric parkin gbrak eisa pplied.
X Preven tthe vehicl efromr ollin gaway before you leav eit
( Y page 271).
X Notify aqualified specialist workshop or breakdown service.
If no transmissio nposition and no drive progra misdisplayed:
X Mak esuret hatthe electric parkin gbrak eisa pplied.
X Preven tthe vehicl efromr ollin gaway before you leav eit
( Y page 271).
X Notify aqualified specialist workshop or breakdown service. Onl
yS hift to 'P'
Onl yS hift to 'P'
whe nV ehicl eis
whe nV ehicl eis
Stationary
Stationary The vehicl
eismoving.
X Pull ove rand stop th evehicl esafely as soo naspossible, paying
attention to roa dand traffic conditions.
X Shift th etransmissio ntoPwith th ebutto nint hecenter console. Reversing
Reversing
Not
NotPoss.
Poss.
Servic eRequired
Servic eRequired The sub geartrain wit
hthe eve ngear shas failed. You can no longer
engage revers egear .The smoothness of th egear chang eis
restricted. The transmissio nisinemergenc ymode.
X Visit aqualified specialist workshop. Display
messages
187On-boardcomputer an ddisplays Z
Rear spoiler
Display messages
Possibl
ecauses/consequence sand 0050
0050Solutions 00D4
Rear Spoiler Rear Spoiler
Control System Control System
Inoperative Inoperative The rea
rspoiler canno tbefully retracted and may extend again.
If the retraction of the rea rspoiler is blocked ,e.g. by ice:
X Make sure that the cause of the block is eliminated.
X Switch off the engine and lock the vehicle.
X Start the vehicl eafterw aiting afew minutes.
The rea rspoiler returns to the original position.
If this problem persists or the cause canno tbeide ntified:
X Visit aquali fied specialist workshop. 00D4
Rear
Rear Spoiler
Spoiler Inop‐
Inop‐
erative Limit
erative Limit
200 km/h 200 km/h The rea
rspoiler canno tbefully extended and extend sasfar as
possible.
The speed of the vehicl eislimite dt o1 25 mph (200 km/h).
If the extension/retraction of the rea rspoiler is blocked ,e.g. by
ice:
X Make sure that the cause of the block is eliminated.
X Switch off the engine and lock the vehicle.
X Start the vehicl eafterw aiting afew minutes.
The rea rspoiler returns to the original position.
If this problem persists or the cause canno tbeide ntified:
X Visit aquali fied specialist workshop. Display messages
189On-board computer and displays Z
Warning and indicator lamps in the instrument cluster
Braking
Problem
Possible causes/consequencesa
nd0050
0050Solutions 0027
(USA
only)
004D
(Can-
ada
only)
The red brake
syste
mwarning
lamp comes on
while the
engine is run-
ning. Awarning
tone also
sounds. There is not enoug
hbrake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is arisk of an accident.
X Pul lover and stop the vehicl esafely as soon as possible ,paying
attention to road and traffic conditions. Do not continue driving
unde rany circumstances.
X Secure the vehicl eagainst rolling away (Y page131).
X Do not add brake fluid. Adding more wil lnot remed ythe mal-
function.
X Consult aqualified specialist workshop.
X Observe the additiona ldisplaym essages in the multifunction
display. 0049
(USA
only)
0024
(Can-
ada
only)
The indicator
lamp for the
electric parking
brake flashes
and/or the yel-
low warning
lamp for the
electric parking
brake lights up. The electric parking brake is temporarily malfunctioning or defec-
tive.
G WARNING
In this condition, the vehicl eisonly of limited roadworthiness. This
can lea dtoana ccident.
X Observe the additiona ldisplaym essages in the multifunction
display. 190
Warning and indicator lamps in the instrument clusterOn-board computer and displays
Seat belts
Problem
Possible causes/consequences and
0050
0050Solutions 0076
After starting
the engine, the
red seat belt
warning lamp
lights up for
6seconds. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X Fasten your seat belt (Y page 49).0076
After starting
the engine, the
red seat belt
warning lamp
lights up. In
addition, awarn-
ing tone sounds
for up to
6s econds. The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 49).
The warning tone ceases. 0076
The red seat belt
warning lamp
lights up after
the engine
starts, as soon
as the driver's
door or the
front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 49).
The warning lamp goes out. There are objectsont
he front-passenger seat.
X Remove the objectsf rom the front-passenger seat and stow
them in asecure place.
The warning lamp goes out. 0076
The red seat belt
warning lamp
flashes and an
intermittent
audible warning
sounds. The driver or front passenger has not fastened their seat belt. The
vehicle is being driven faster than 15 mph (25 km/h) or has briefly been driven faster than 15 mph (25 km/h).
X Fasten your seat belt (Y page 49).
The warning lamp goes out and the intermittenta udible warning
ceases. There are objectsont
he front-passenger seat. The vehicle is being
driven faster than 15 mph (25 km/h) or has briefly been driven
faster than 15 mph (25 km/h).
X Remove the objectsf rom the front-passenger seat and stow
them in asecure place.
The warning lamp goes out and the intermittenta udible warning
ceases. Warning and indicator lampsint
he instrument cluster
191On-board computer and displays Z
Safety systems
Problem
Possible causes/consequences and
0050
0050Solutions 0025
The yellow ABS
warning lamp is
lit while the
engine is run-
ning. ABS has been deactivated due to
amalfunction .ESP ®
,B AS and hill
start assist are therefore also deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop.
If the ABS control unit is faulty, there is also apossibility that other
systems, such as the navigation system or the transmission, will
not be available. 0089
00BB
0025
The yellow ESP
®
and ESP ®
OFF
warning lamps
and the yellow
ABS warning
lamp are lit while
the engine is
running. ABS and ESP
®
are malfunctioning. Other systems, e.g. BAS and hill
start assist, are unavailable due to amalfunction.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display (Y page 170).
X Drive on carefully.
X Visit aqualified specialist workshop. 192
Warning and indicator lampsint
he instrument clusterOn-board computer and displays
Problem
Possible causes/consequences and
0050
0050Solutions 0089
The yellowE SP®
warning lamp
flashes while the vehicle is in
motion. ESP
®
or traction control has intervened because there is arisk of
skidding or at least one wheel has started to spin.
Cruise control is switched off.
X When pulling away,o nly depress the accelerator pedal as far as
necessary.
X Ease off the accelerator pedal while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
For exceptions, see: (Y page 56).0074
The yellow
SPORT handling
mode warning
lamp is lit while
the engine is
running. SPORT handling mode is activated.
G WARNING
ESP ®
only stabilizes the vehicle in extreme situations. ESP ®
inter-
vention may not be able to provide enough assistance in such
situations, and the vehicle may start to skid.
There is an increased risk of skidding and an accident.
X Only switch to SPORT handling mode in accordance with the
condition swritten in the "Activating/deactivating SPORT han-
dling mode" section (Y page 56). Warning and indicator lampsint
he instrument cluster
193On-board computer and displays Z
Problem
Possible causes/consequences and
0050
0050Solutions 0089
00BB
The yellowE
SP®
and ESP ®
OFF
warning lamps
are lit while the
engine is run-
ning. ESP
®
is not available due to amalfunction.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. 0075
The red SRS
warning lamp is
lit while the
engine is run-
ning. There is
amalfunction in the SRS (Supplemental Restraint Sys-
tem).
G WARNING
If the air bags or Emergency Tensioning Devices are either trig-
gered unintentionally or, in the event of an accident, not triggered.
There is an increased risk of injury.
X Drive on carefully.
X Have SRS checked at aqualified specialist workshop immedi-
ately.
For further information about SRS, see (Y page 37).194
Warning and indicator lampsint
he instrument clusterOn-board computer and displays